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DAYNA MIYASHIRO MD
NPI 1699158493
Allergy & Immunology in Vista, CA

Active since June 30, 2015PECOS EnrolledAccepts Medicare Assignment
2067 W VISTA WAY STE 140, VISTA, CA 92083(760) 941-4444(760) 941-8902 Get Directions Write a Review

NPPES record last updated: August 8, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 8, 2025, Apr 29, 2019 (2 updates tracked since 2019).

About Dayna Miyashiro Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DAYNA MIYASHIRO MD (NPI 1699158493) is an individual allergy & immunology provider in Vista, California, licensed in California (A172887) and active in the NPI registry since June 2015. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1699158493
Entity TypeIndividualFemale
Primary Taxonomy207K00000X
Provider Legal NameDAYNA MIYASHIROCredential: MD
Location Address2067 W VISTA WAY STE 140Vista, CA 92083-6032
Mailing Address101 Bodin CirFairfield, CA 94535-1809 · (707) 423-7525
Phone(760) 941-4444
Fax(760) 941-8902
Sole ProprietorYes
Medical School CMSOtherGraduated 2015
Enumeration DateJune 30, 2015
Last NPPES UpdateAugust 8, 20252 updates tracked since enumeration
NPPES CertifiedAugust 8, 2025
✔ NPI 1699158493 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAllergy & ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code207K00000X
License✔ Licensed in CA · A172887
Definition
An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
Also ListedInternal MedicineTaxonomy 207R00000X · License 7507 (NE)
2067 W VISTA WAY STE 140, Vista, CA 92083
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Secondary Practice Locations 2

Location 1101 Bodin CirFairfield, CA 94535-1809 · Phone (707) 423-7525
Location 29850 Genesee Ave Ste 710LA Jolla, CA 92037-1218 · Phone (858) 260-2977 · Fax (858) 260-2978

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dayna Miyashiro Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4688984834
PECOS Enrollment IDI20251208001678
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Dayna Miyashiro reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Modena Allergy & Asthma II Inc.
Same address
Allergy & Immunology
2067 W VISTA WAY STE 140
Vista, CA 92083
  • Reassigned Medicare billing, California enrollment
  • 8 clinicians in this Medicare group
NPI 1518836444 (760) 941-4444
Modena Allergy & Asthma Inc.
21 mi
Allergy & Immunology
9850 GENESEE AVE STE 710
La Jolla, CA 92037
  • Reassigned Medicare billing, California enrollment
  • 18 clinicians in this Medicare group
NPI 1508527797 (858) 283-3963

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Trapeze bars, a/k/a patient helper, attached to bed, with grab bar E0910
DME-Other DME · category DE000N
1 supplier11 claims11 services$8.42 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
2 suppliers16 claims16 services$68.09 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MODENA ALLERGY & ASTHMA II INC.
Allergy & Immunology
2067 W VISTA WAY STE 140
VISTA, CA 92083
San Diego County (760) 941-4444
MRS. ANGELA MARIA BRETTON FNP-BC
Nurse Practitioner (Family)
2067 W VISTA WAY STE 140
VISTA, CA 92083
San Diego County (760) 941-4444

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Dayna Miyashiro's NPI number?

The NPI number for Dayna Miyashiro is 1699158493. It was assigned to this individual provider in the NPPES registry on June 30, 2015.

Where is Dayna Miyashiro located?

Dayna Miyashiro practices at 2067 W Vista Way Ste 140, Vista, CA 92083. The listed phone number is (760) 941-4444.

What is Dayna Miyashiro's specialty?

The primary specialty registered for this NPI is Allergy & Immunology with taxonomy code 207K00000X.

Is Dayna Miyashiro enrolled in Medicare?

Yes. Dayna Miyashiro is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Dayna Miyashiro's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dayna Miyashiro reassigns Medicare benefits to 2 organizations: Modena Allergy & Asthma II Inc. (Vista, CA) and Modena Allergy & Asthma Inc. (La Jolla, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Dayna Miyashiro's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Dayna Miyashiro was last updated on August 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.